Home / 18,917.57-26,105.39-10,845.43

Finding the Fourth Proportional to 18,917.57, 26,105.39 and 10,845.43

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Solution

The fourth proportional to 18,917.57, 26,105.39 and 10,845.43 is: 14,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.57 : 26,105.39 = 10,845.43 : x
  2. Step 2: Convert to fraction form
    18,917.57/26,105.39 = 10,845.43/x
  3. Step 3: Cross multiply
    18,917.57x = 26,105.39 × 10,845.43
  4. Step 4: Simplify right side
    18,917.57x = 283,124,179.87
  5. Step 5: Solve for x
    x = 283,124,179.87/18,917.57
  6. Step 6: Final answer
    x = 14,966.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.